/Engine/Source/Runtime/GeometryCore/Public/Spatial/SegmentTree3.h
Information on a nearest-segment returned by query functions
struct FRayNearestSegmentInfo
double
Metric
Distance metric at nearest points
double
RayParam
Parameter at point on ray closest to identified nearest segment
double
SegmentDist
Distance between ray point at RayParam and segment point at SegmentParam
double
SegmentParam
Parameter at point on nearest segment closest to the ray